MehrSpur Zürich – Winterthur, Planerleistungen für STEP AS 2035 Brüttenertunnel-Nachtrag N09

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Location: Canton ZH
Procuring office: Schweizerische Bundebahnen SBB, Infrastruktur – Einkauf, Supply Chain und Produktion, Einkauf Bauprojekte Region Ost
Requesting office: Schweizerische Bundesbahnen SBB, Infrastruktur, Ausbau- & Erneuerungsprojekte, Projektorganisation Zürich – Winterthur

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Awarded directly

According to the simap publication. Values that are not given are deliberately missing here.

Awarded to

As published on simap.ch: winner and price (with or without VAT, as stated).

Award of 08.05.2026Direct award
- ILF Beratende Ingenieure AG, ZürichCHF 10’801’805.00 incl. VAT

Awards of this contracting authority

Justification

Gestützt auf Art. 21 Abs 2 Bst. e BöB wird der Auftrag freihändig vergeben. Die zusätzlichen Leistungen sind technisch komplex und eng mit den bereits beauftragten Leistungen verknüpft, weshalb ein Anbieterwechsel für das Projekt nicht akzeptable qualitative, terminliche und finanzielle Auswirkungen hätte.

AI summary

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In brief
Services
Requirements
Conditions
Dates
Award criteria

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What is being procured?

Scope of work

Language of the publication

Zusätzliche Leistungen für die SIA-Teilphase 41-53.

Projektanpassungen infolge Einsprachen für die Landschaftsgestaltung, technische Lösung der Baubrücken, sowie Änderungen an den Portalbereichen Bassersdorf, Winterthur und Dietlikon. Im Weiteren ablauftechnische und terminliche Änderungen der Bauphasen sowie zusätzliche Leistungen der Fachbauleitung bei Aushubbegleitung.

Key facts, codes and options

Type of contract: Service
Trades: Not evident from the available publication data.
CPV: CPV 71000000 – Architectural, construction, engineering and inspection services
Options: Not evident from the available publication data.
Variants: Not evident from the available publication data.
Partial offers: Not evident from the available publication data.

TEXFY assessment: Products, installations, quantities, technical specifications and exclusions are not structured fields of the publication. TEXFY does not analyse the free text on them: check the original text and the tender documents.

Market data for this service

From awards published on simap.ch, without rankings and without rating companies.

Comparable awards

Wastewater treatment plants, canton of Zurich, last 12 months

45 awards, bids (median): 3.

Awards: Wastewater treatment plants

Range of award prices

Wastewater treatment plants, canton of Zurich, last 12 months

CHF 185’23410 % of the prices were lower

CHF 652’539Median: half were lower

CHF 5’935’76310 % of the prices were higher

8 out of 10 award prices were between CHF 185’234 and CHF 5’935’763.

From 44 published award prices in CHF from 02.12.2025 to 02.11.2026, with or without VAT, as published. A single contract can differ widely.

Official source

Go to the official tender

simap project number: 36506
Publication number: 36506-01
Covered by international agreements: Yes

Checked against simap: 11.11.2026, 08:08

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Contract awards in Zurich: monthly reports

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